Inquiry (采购产品): Need operating manuel Dear sirs: We recently had a hose leak on a VWR Scientific refrigerated recirculator. We need to know what and how much glycol(?) to put back into the system. If you could pehaps send info concerning system it would be appreciate. The model # 1176, the serial # 897788. Thanks for your consideration. Merry xmas. **** Hidden Message ***** Keith Walls 73533 Company: Halliburton E-mail: keith.walls@halliburton.com **** Hidden Message ***** keith.walls@halliburton.com